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AU3110399A - Method and apparatus for producing molten iron from iron oxides - Google Patents

Method and apparatus for producing molten iron from iron oxides

Info

Publication number
AU3110399A
AU3110399A AU31103/99A AU3110399A AU3110399A AU 3110399 A AU3110399 A AU 3110399A AU 31103/99 A AU31103/99 A AU 31103/99A AU 3110399 A AU3110399 A AU 3110399A AU 3110399 A AU3110399 A AU 3110399A
Authority
AU
Australia
Prior art keywords
iron
producing molten
oxides
molten iron
iron oxides
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
AU31103/99A
Inventor
Larry Lehtinen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Iron Dynamics Inc
Original Assignee
Iron Dynamics Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Iron Dynamics Inc filed Critical Iron Dynamics Inc
Publication of AU3110399A publication Critical patent/AU3110399A/en
Abandoned legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • C21B13/105—Rotary hearth-type furnaces
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21B—MANUFACTURE OF IRON OR STEEL
    • C21B13/00—Making spongy iron or liquid steel, by direct processes
    • C21B13/10—Making spongy iron or liquid steel, by direct processes in hearth-type furnaces
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/10—Reduction of greenhouse gas [GHG] emissions
    • Y02P10/134—Reduction of greenhouse gas [GHG] emissions by avoiding CO2, e.g. using hydrogen

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Manufacture Of Iron (AREA)
AU31103/99A 1998-04-03 1999-03-22 Method and apparatus for producing molten iron from iron oxides Abandoned AU3110399A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US5458998A 1998-04-03 1998-04-03
US09054589 1998-04-03
PCT/US1999/006248 WO1999051783A1 (en) 1998-04-03 1999-03-22 Method and apparatus for producing molten iron from iron oxides

Publications (1)

Publication Number Publication Date
AU3110399A true AU3110399A (en) 1999-10-25

Family

ID=21992148

Family Applications (1)

Application Number Title Priority Date Filing Date
AU31103/99A Abandoned AU3110399A (en) 1998-04-03 1999-03-22 Method and apparatus for producing molten iron from iron oxides

Country Status (2)

Country Link
AU (1) AU3110399A (en)
WO (1) WO1999051783A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7413592B2 (en) 2004-03-31 2008-08-19 Nu-Iron Technology, Llc Linear hearth furnace system and methods regarding same
US20150329929A1 (en) * 2013-01-21 2015-11-19 Natarajan Channaiah Chetty An Efficient Process in the Production of Iron and Steel from Iron Ore
JP6623127B2 (en) * 2016-08-01 2019-12-18 株式会社神戸製鋼所 Method and apparatus for producing reduced iron
DE102020205493A1 (en) 2020-04-30 2021-11-04 Sms Group Gmbh Process for making liquid pig iron from a DRI product

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4701214A (en) * 1986-04-30 1987-10-20 Midrex International B.V. Rotterdam Method of producing iron using rotary hearth and apparatus
WO1991012210A1 (en) * 1990-02-13 1991-08-22 The Illawarra Technology Corporation Ltd. Cotreatment of sewage and steelworks wastes
US5186741A (en) * 1991-04-12 1993-02-16 Zia Patent Company Direct reduction process in a rotary hearth furnace
US5567224A (en) * 1995-06-06 1996-10-22 Armco Inc. Method of reducing metal oxide in a rotary hearth furnace heated by an oxidizing flame
US5681367A (en) * 1996-06-20 1997-10-28 Usx Engineers & Consultants, Inc. Method of producing hot metal

Also Published As

Publication number Publication date
WO1999051783A1 (en) 1999-10-14

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase